AQUEOUS DISPERSIONS OF SILICA FOR INCREASING EARLY

专利名称：AQUEOUS DISPERSIONS OF SILICA FOR

INCREASING EARLY STRENGTH INCEMENTITIOUS PREPARATIONS

发明人：Ulrich Fischer,Philipp Wieland,Christian

Huebsch,Harald Grassl,Kerstin

Becher,Stefanie Scheul,Eva Jetzlsperger

申请号：US12446333申请日：20071016

公开号：US20100324173A1公开日：20101223

摘要：Dispersion which is free of binders and which contains silica and at least onesuperplasticizer, the silica being a precipitated silica having a surface area greater than 50m/g, the aggregates and/or agglomerates in the dispersion having a median diameter ofless than 1 μm and the proportion of silica being from 5 to 50% by weight, based on thetotal amount of the dispersion, and a process for the preparation thereof and the usethereof as a concrete admixture in cement-containing preparations.

申请人：Ulrich Fischer,Philipp Wieland,Christian Huebsch,Harald Grassl,KerstinBecher,Stefanie Scheul,Eva Jetzlsperger

地址：Moembris DE,Muenchen DE,Gmund DE,Feichten an der Alz DE,WaldhausenDE,Trostberg DE,Unterneukirchen DE

国籍：DE,DE,DE,DE,DE,DE,DE

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